Patents by Inventor Hyeon-Sik Kim

Hyeon-Sik Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20140239290
    Abstract: The TFT substrate includes a gate electrode disposed on an insulating substrate; a gate insulating layer disposed on the gate electrode; a source/drain electrode disposed on the gate insulating layer; and an oxide semiconductor layer disposed between the gate insulating layer and the source/drain electrode. The oxide semiconductor layer includes a first portion that does not contact the source/drain electrode and in which a channel region is defined and a second portion in which a contact region that contacts the source/drain electrode is defined. The second portion includes a first oxide semiconductor layer and a second oxide semiconductor layer disposed on the first oxide semiconductor layer.
    Type: Application
    Filed: October 17, 2013
    Publication date: August 28, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyeon Sik KIM
  • Publication number: 20100117378
    Abstract: The doorlock device according to the present invention comprises a latch which is attached to a door for closing it, a cover including a latch opening and a latch slider which is elastically supported due to the insert of the latch, a locker which restricts the latch slider, a slider which moves the locker up and down, a solenoid which pushes a push cam in accordance with control signal to rotate a rotation cam so that the slider is moved left and right, a housing including the locker, the solenoid and a contact point part in which electric signal is inputted, a locker withdrawal part which forcibly withdraws the protruded locker by the operation of a torsion spring which is elastically supported, thereby separating a movable plate from a fixed plate upon abnormal withdrawal of the latch.
    Type: Application
    Filed: December 31, 2007
    Publication date: May 13, 2010
    Inventors: Sang Won Seo, Sang Baek Kim, Hyeon Sik Kim, Min Seob Jin
  • Patent number: 6192409
    Abstract: An X.25 network connection for X.25 protocol communication used in a full electronic switching system comprises: a microprocessor; a switching system interface circuit provided with a controller serving as master or slave relative to a main bus to convert the X.25 packet data from the X.25 network into IPC format data which is transferred to the switching system; a plurality of X.25 network interface circuits, each provided with a controller serving as master or slave relative to the main bus to convert the IPC format data into the X.25 packet data transferred to the X.25 network; a packet memory for temporarily storing the IPC format data from the switching system interface circuit and the X.25 packet data from the X.25 network interface circuits under the control of the MPU and controllers; a system memory for storing the system control program and application programs thereof and the data from the packet memory, for the MPU to analyze the IPC format data and X.
    Type: Grant
    Filed: July 13, 1998
    Date of Patent: February 20, 2001
    Assignee: SamSung Electronics Co., Ltd.
    Inventor: Hyeon-Sik Kim
  • Patent number: D713989
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: September 23, 2014
    Inventor: Hyeon Sik Kim
  • Patent number: D721200
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: January 13, 2015
    Inventor: Hyeon Sik Kim